root / hw / ide / pci.c @ 59f2a787
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1 | 977e1244 | Gerd Hoffmann | /*
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2 | 977e1244 | Gerd Hoffmann | * QEMU IDE Emulation: PCI Bus support.
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3 | 977e1244 | Gerd Hoffmann | *
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4 | 977e1244 | Gerd Hoffmann | * Copyright (c) 2003 Fabrice Bellard
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5 | 977e1244 | Gerd Hoffmann | * Copyright (c) 2006 Openedhand Ltd.
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6 | 977e1244 | Gerd Hoffmann | *
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7 | 977e1244 | Gerd Hoffmann | * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 | 977e1244 | Gerd Hoffmann | * of this software and associated documentation files (the "Software"), to deal
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9 | 977e1244 | Gerd Hoffmann | * in the Software without restriction, including without limitation the rights
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10 | 977e1244 | Gerd Hoffmann | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 | 977e1244 | Gerd Hoffmann | * copies of the Software, and to permit persons to whom the Software is
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12 | 977e1244 | Gerd Hoffmann | * furnished to do so, subject to the following conditions:
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13 | 977e1244 | Gerd Hoffmann | *
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14 | 977e1244 | Gerd Hoffmann | * The above copyright notice and this permission notice shall be included in
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15 | 977e1244 | Gerd Hoffmann | * all copies or substantial portions of the Software.
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16 | 977e1244 | Gerd Hoffmann | *
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17 | 977e1244 | Gerd Hoffmann | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 | 977e1244 | Gerd Hoffmann | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 | 977e1244 | Gerd Hoffmann | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 | 977e1244 | Gerd Hoffmann | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 | 977e1244 | Gerd Hoffmann | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 | 977e1244 | Gerd Hoffmann | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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23 | 977e1244 | Gerd Hoffmann | * THE SOFTWARE.
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24 | 977e1244 | Gerd Hoffmann | */
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25 | 59f2a787 | Gerd Hoffmann | #include <hw/hw.h> |
26 | 59f2a787 | Gerd Hoffmann | #include <hw/pc.h> |
27 | 59f2a787 | Gerd Hoffmann | #include <hw/pci.h> |
28 | 977e1244 | Gerd Hoffmann | #include "block.h" |
29 | 977e1244 | Gerd Hoffmann | #include "block_int.h" |
30 | 977e1244 | Gerd Hoffmann | #include "sysemu.h" |
31 | 977e1244 | Gerd Hoffmann | #include "dma.h" |
32 | 59f2a787 | Gerd Hoffmann | |
33 | 59f2a787 | Gerd Hoffmann | #include <hw/ide/internal.h> |
34 | 977e1244 | Gerd Hoffmann | |
35 | 977e1244 | Gerd Hoffmann | /***********************************************************/
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36 | 977e1244 | Gerd Hoffmann | /* PCI IDE definitions */
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37 | 977e1244 | Gerd Hoffmann | |
38 | 977e1244 | Gerd Hoffmann | /* CMD646 specific */
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39 | 977e1244 | Gerd Hoffmann | #define MRDMODE 0x71 |
40 | 977e1244 | Gerd Hoffmann | #define MRDMODE_INTR_CH0 0x04 |
41 | 977e1244 | Gerd Hoffmann | #define MRDMODE_INTR_CH1 0x08 |
42 | 977e1244 | Gerd Hoffmann | #define MRDMODE_BLK_CH0 0x10 |
43 | 977e1244 | Gerd Hoffmann | #define MRDMODE_BLK_CH1 0x20 |
44 | 977e1244 | Gerd Hoffmann | #define UDIDETCR0 0x73 |
45 | 977e1244 | Gerd Hoffmann | #define UDIDETCR1 0x7B |
46 | 977e1244 | Gerd Hoffmann | |
47 | 977e1244 | Gerd Hoffmann | #define IDE_TYPE_PIIX3 0 |
48 | 977e1244 | Gerd Hoffmann | #define IDE_TYPE_CMD646 1 |
49 | 977e1244 | Gerd Hoffmann | #define IDE_TYPE_PIIX4 2 |
50 | 977e1244 | Gerd Hoffmann | |
51 | 977e1244 | Gerd Hoffmann | typedef struct PCIIDEState { |
52 | 977e1244 | Gerd Hoffmann | PCIDevice dev; |
53 | 977e1244 | Gerd Hoffmann | IDEBus bus[2];
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54 | 977e1244 | Gerd Hoffmann | BMDMAState bmdma[2];
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55 | 977e1244 | Gerd Hoffmann | int type; /* see IDE_TYPE_xxx */ |
56 | 977e1244 | Gerd Hoffmann | } PCIIDEState; |
57 | 977e1244 | Gerd Hoffmann | |
58 | 977e1244 | Gerd Hoffmann | static void cmd646_update_irq(PCIIDEState *d); |
59 | 977e1244 | Gerd Hoffmann | |
60 | 977e1244 | Gerd Hoffmann | static void ide_map(PCIDevice *pci_dev, int region_num, |
61 | 977e1244 | Gerd Hoffmann | uint32_t addr, uint32_t size, int type)
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62 | 977e1244 | Gerd Hoffmann | { |
63 | 977e1244 | Gerd Hoffmann | PCIIDEState *d = (PCIIDEState *)pci_dev; |
64 | 977e1244 | Gerd Hoffmann | IDEBus *bus; |
65 | 977e1244 | Gerd Hoffmann | |
66 | 977e1244 | Gerd Hoffmann | if (region_num <= 3) { |
67 | 977e1244 | Gerd Hoffmann | bus = &d->bus[(region_num >> 1)];
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68 | 977e1244 | Gerd Hoffmann | if (region_num & 1) { |
69 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr + 2, 1, 1, ide_status_read, bus); |
70 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr + 2, 1, 1, ide_cmd_write, bus); |
71 | 977e1244 | Gerd Hoffmann | } else {
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72 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr, 8, 1, ide_ioport_write, bus); |
73 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr, 8, 1, ide_ioport_read, bus); |
74 | 977e1244 | Gerd Hoffmann | |
75 | 977e1244 | Gerd Hoffmann | /* data ports */
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76 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr, 2, 2, ide_data_writew, bus); |
77 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr, 2, 2, ide_data_readw, bus); |
78 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr, 4, 4, ide_data_writel, bus); |
79 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr, 4, 4, ide_data_readl, bus); |
80 | 977e1244 | Gerd Hoffmann | } |
81 | 977e1244 | Gerd Hoffmann | } |
82 | 977e1244 | Gerd Hoffmann | } |
83 | 977e1244 | Gerd Hoffmann | |
84 | 977e1244 | Gerd Hoffmann | static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val) |
85 | 977e1244 | Gerd Hoffmann | { |
86 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
87 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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88 | 977e1244 | Gerd Hoffmann | printf("%s: 0x%08x\n", __func__, val);
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89 | 977e1244 | Gerd Hoffmann | #endif
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90 | 977e1244 | Gerd Hoffmann | if (!(val & BM_CMD_START)) {
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91 | 977e1244 | Gerd Hoffmann | /* XXX: do it better */
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92 | 977e1244 | Gerd Hoffmann | ide_dma_cancel(bm); |
93 | 977e1244 | Gerd Hoffmann | bm->cmd = val & 0x09;
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94 | 977e1244 | Gerd Hoffmann | } else {
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95 | 977e1244 | Gerd Hoffmann | if (!(bm->status & BM_STATUS_DMAING)) {
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96 | 977e1244 | Gerd Hoffmann | bm->status |= BM_STATUS_DMAING; |
97 | 977e1244 | Gerd Hoffmann | /* start dma transfer if possible */
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98 | 977e1244 | Gerd Hoffmann | if (bm->dma_cb)
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99 | 977e1244 | Gerd Hoffmann | bm->dma_cb(bm, 0);
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100 | 977e1244 | Gerd Hoffmann | } |
101 | 977e1244 | Gerd Hoffmann | bm->cmd = val & 0x09;
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102 | 977e1244 | Gerd Hoffmann | } |
103 | 977e1244 | Gerd Hoffmann | } |
104 | 977e1244 | Gerd Hoffmann | |
105 | 977e1244 | Gerd Hoffmann | static uint32_t bmdma_readb(void *opaque, uint32_t addr) |
106 | 977e1244 | Gerd Hoffmann | { |
107 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
108 | 977e1244 | Gerd Hoffmann | PCIIDEState *pci_dev; |
109 | 977e1244 | Gerd Hoffmann | uint32_t val; |
110 | 977e1244 | Gerd Hoffmann | |
111 | 977e1244 | Gerd Hoffmann | switch(addr & 3) { |
112 | 977e1244 | Gerd Hoffmann | case 0: |
113 | 977e1244 | Gerd Hoffmann | val = bm->cmd; |
114 | 977e1244 | Gerd Hoffmann | break;
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115 | 977e1244 | Gerd Hoffmann | case 1: |
116 | 977e1244 | Gerd Hoffmann | pci_dev = bm->pci_dev; |
117 | 977e1244 | Gerd Hoffmann | if (pci_dev->type == IDE_TYPE_CMD646) {
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118 | 977e1244 | Gerd Hoffmann | val = pci_dev->dev.config[MRDMODE]; |
119 | 977e1244 | Gerd Hoffmann | } else {
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120 | 977e1244 | Gerd Hoffmann | val = 0xff;
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121 | 977e1244 | Gerd Hoffmann | } |
122 | 977e1244 | Gerd Hoffmann | break;
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123 | 977e1244 | Gerd Hoffmann | case 2: |
124 | 977e1244 | Gerd Hoffmann | val = bm->status; |
125 | 977e1244 | Gerd Hoffmann | break;
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126 | 977e1244 | Gerd Hoffmann | case 3: |
127 | 977e1244 | Gerd Hoffmann | pci_dev = bm->pci_dev; |
128 | 977e1244 | Gerd Hoffmann | if (pci_dev->type == IDE_TYPE_CMD646) {
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129 | 977e1244 | Gerd Hoffmann | if (bm == &pci_dev->bmdma[0]) |
130 | 977e1244 | Gerd Hoffmann | val = pci_dev->dev.config[UDIDETCR0]; |
131 | 977e1244 | Gerd Hoffmann | else
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132 | 977e1244 | Gerd Hoffmann | val = pci_dev->dev.config[UDIDETCR1]; |
133 | 977e1244 | Gerd Hoffmann | } else {
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134 | 977e1244 | Gerd Hoffmann | val = 0xff;
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135 | 977e1244 | Gerd Hoffmann | } |
136 | 977e1244 | Gerd Hoffmann | break;
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137 | 977e1244 | Gerd Hoffmann | default:
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138 | 977e1244 | Gerd Hoffmann | val = 0xff;
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139 | 977e1244 | Gerd Hoffmann | break;
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140 | 977e1244 | Gerd Hoffmann | } |
141 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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142 | 977e1244 | Gerd Hoffmann | printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
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143 | 977e1244 | Gerd Hoffmann | #endif
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144 | 977e1244 | Gerd Hoffmann | return val;
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145 | 977e1244 | Gerd Hoffmann | } |
146 | 977e1244 | Gerd Hoffmann | |
147 | 977e1244 | Gerd Hoffmann | static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) |
148 | 977e1244 | Gerd Hoffmann | { |
149 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
150 | 977e1244 | Gerd Hoffmann | PCIIDEState *pci_dev; |
151 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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152 | 977e1244 | Gerd Hoffmann | printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
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153 | 977e1244 | Gerd Hoffmann | #endif
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154 | 977e1244 | Gerd Hoffmann | switch(addr & 3) { |
155 | 977e1244 | Gerd Hoffmann | case 1: |
156 | 977e1244 | Gerd Hoffmann | pci_dev = bm->pci_dev; |
157 | 977e1244 | Gerd Hoffmann | if (pci_dev->type == IDE_TYPE_CMD646) {
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158 | 977e1244 | Gerd Hoffmann | pci_dev->dev.config[MRDMODE] = |
159 | 977e1244 | Gerd Hoffmann | (pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30); |
160 | 977e1244 | Gerd Hoffmann | cmd646_update_irq(pci_dev); |
161 | 977e1244 | Gerd Hoffmann | } |
162 | 977e1244 | Gerd Hoffmann | break;
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163 | 977e1244 | Gerd Hoffmann | case 2: |
164 | 977e1244 | Gerd Hoffmann | bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); |
165 | 977e1244 | Gerd Hoffmann | break;
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166 | 977e1244 | Gerd Hoffmann | case 3: |
167 | 977e1244 | Gerd Hoffmann | pci_dev = bm->pci_dev; |
168 | 977e1244 | Gerd Hoffmann | if (pci_dev->type == IDE_TYPE_CMD646) {
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169 | 977e1244 | Gerd Hoffmann | if (bm == &pci_dev->bmdma[0]) |
170 | 977e1244 | Gerd Hoffmann | pci_dev->dev.config[UDIDETCR0] = val; |
171 | 977e1244 | Gerd Hoffmann | else
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172 | 977e1244 | Gerd Hoffmann | pci_dev->dev.config[UDIDETCR1] = val; |
173 | 977e1244 | Gerd Hoffmann | } |
174 | 977e1244 | Gerd Hoffmann | break;
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175 | 977e1244 | Gerd Hoffmann | } |
176 | 977e1244 | Gerd Hoffmann | } |
177 | 977e1244 | Gerd Hoffmann | |
178 | 977e1244 | Gerd Hoffmann | static uint32_t bmdma_addr_readb(void *opaque, uint32_t addr) |
179 | 977e1244 | Gerd Hoffmann | { |
180 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
181 | 977e1244 | Gerd Hoffmann | uint32_t val; |
182 | 977e1244 | Gerd Hoffmann | val = (bm->addr >> ((addr & 3) * 8)) & 0xff; |
183 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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184 | 977e1244 | Gerd Hoffmann | printf("%s: 0x%08x\n", __func__, val);
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185 | 977e1244 | Gerd Hoffmann | #endif
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186 | 977e1244 | Gerd Hoffmann | return val;
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187 | 977e1244 | Gerd Hoffmann | } |
188 | 977e1244 | Gerd Hoffmann | |
189 | 977e1244 | Gerd Hoffmann | static void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val) |
190 | 977e1244 | Gerd Hoffmann | { |
191 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
192 | 977e1244 | Gerd Hoffmann | int shift = (addr & 3) * 8; |
193 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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194 | 977e1244 | Gerd Hoffmann | printf("%s: 0x%08x\n", __func__, val);
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195 | 977e1244 | Gerd Hoffmann | #endif
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196 | 977e1244 | Gerd Hoffmann | bm->addr &= ~(0xFF << shift);
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197 | 977e1244 | Gerd Hoffmann | bm->addr |= ((val & 0xFF) << shift) & ~3; |
198 | 977e1244 | Gerd Hoffmann | bm->cur_addr = bm->addr; |
199 | 977e1244 | Gerd Hoffmann | } |
200 | 977e1244 | Gerd Hoffmann | |
201 | 977e1244 | Gerd Hoffmann | static uint32_t bmdma_addr_readw(void *opaque, uint32_t addr) |
202 | 977e1244 | Gerd Hoffmann | { |
203 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
204 | 977e1244 | Gerd Hoffmann | uint32_t val; |
205 | 977e1244 | Gerd Hoffmann | val = (bm->addr >> ((addr & 3) * 8)) & 0xffff; |
206 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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207 | 977e1244 | Gerd Hoffmann | printf("%s: 0x%08x\n", __func__, val);
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208 | 977e1244 | Gerd Hoffmann | #endif
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209 | 977e1244 | Gerd Hoffmann | return val;
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210 | 977e1244 | Gerd Hoffmann | } |
211 | 977e1244 | Gerd Hoffmann | |
212 | 977e1244 | Gerd Hoffmann | static void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val) |
213 | 977e1244 | Gerd Hoffmann | { |
214 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
215 | 977e1244 | Gerd Hoffmann | int shift = (addr & 3) * 8; |
216 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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217 | 977e1244 | Gerd Hoffmann | printf("%s: 0x%08x\n", __func__, val);
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218 | 977e1244 | Gerd Hoffmann | #endif
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219 | 977e1244 | Gerd Hoffmann | bm->addr &= ~(0xFFFF << shift);
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220 | 977e1244 | Gerd Hoffmann | bm->addr |= ((val & 0xFFFF) << shift) & ~3; |
221 | 977e1244 | Gerd Hoffmann | bm->cur_addr = bm->addr; |
222 | 977e1244 | Gerd Hoffmann | } |
223 | 977e1244 | Gerd Hoffmann | |
224 | 977e1244 | Gerd Hoffmann | static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr) |
225 | 977e1244 | Gerd Hoffmann | { |
226 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
227 | 977e1244 | Gerd Hoffmann | uint32_t val; |
228 | 977e1244 | Gerd Hoffmann | val = bm->addr; |
229 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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230 | 977e1244 | Gerd Hoffmann | printf("%s: 0x%08x\n", __func__, val);
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231 | 977e1244 | Gerd Hoffmann | #endif
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232 | 977e1244 | Gerd Hoffmann | return val;
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233 | 977e1244 | Gerd Hoffmann | } |
234 | 977e1244 | Gerd Hoffmann | |
235 | 977e1244 | Gerd Hoffmann | static void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val) |
236 | 977e1244 | Gerd Hoffmann | { |
237 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = opaque; |
238 | 977e1244 | Gerd Hoffmann | #ifdef DEBUG_IDE
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239 | 977e1244 | Gerd Hoffmann | printf("%s: 0x%08x\n", __func__, val);
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240 | 977e1244 | Gerd Hoffmann | #endif
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241 | 977e1244 | Gerd Hoffmann | bm->addr = val & ~3;
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242 | 977e1244 | Gerd Hoffmann | bm->cur_addr = bm->addr; |
243 | 977e1244 | Gerd Hoffmann | } |
244 | 977e1244 | Gerd Hoffmann | |
245 | 977e1244 | Gerd Hoffmann | static void bmdma_map(PCIDevice *pci_dev, int region_num, |
246 | 977e1244 | Gerd Hoffmann | uint32_t addr, uint32_t size, int type)
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247 | 977e1244 | Gerd Hoffmann | { |
248 | 977e1244 | Gerd Hoffmann | PCIIDEState *d = (PCIIDEState *)pci_dev; |
249 | 977e1244 | Gerd Hoffmann | int i;
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250 | 977e1244 | Gerd Hoffmann | |
251 | 977e1244 | Gerd Hoffmann | for(i = 0;i < 2; i++) { |
252 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = &d->bmdma[i]; |
253 | 977e1244 | Gerd Hoffmann | d->bus[i].bmdma = bm; |
254 | 977e1244 | Gerd Hoffmann | bm->pci_dev = DO_UPCAST(PCIIDEState, dev, pci_dev); |
255 | 977e1244 | Gerd Hoffmann | bm->bus = d->bus+i; |
256 | 977e1244 | Gerd Hoffmann | qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm); |
257 | 977e1244 | Gerd Hoffmann | |
258 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); |
259 | 977e1244 | Gerd Hoffmann | |
260 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm); |
261 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr, 4, 1, bmdma_readb, bm); |
262 | 977e1244 | Gerd Hoffmann | |
263 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm); |
264 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm); |
265 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm); |
266 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm); |
267 | 977e1244 | Gerd Hoffmann | register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm); |
268 | 977e1244 | Gerd Hoffmann | register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm); |
269 | 977e1244 | Gerd Hoffmann | addr += 8;
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270 | 977e1244 | Gerd Hoffmann | } |
271 | 977e1244 | Gerd Hoffmann | } |
272 | 977e1244 | Gerd Hoffmann | |
273 | 977e1244 | Gerd Hoffmann | static void pci_ide_save(QEMUFile* f, void *opaque) |
274 | 977e1244 | Gerd Hoffmann | { |
275 | 977e1244 | Gerd Hoffmann | PCIIDEState *d = opaque; |
276 | 977e1244 | Gerd Hoffmann | int i;
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277 | 977e1244 | Gerd Hoffmann | |
278 | 977e1244 | Gerd Hoffmann | pci_device_save(&d->dev, f); |
279 | 977e1244 | Gerd Hoffmann | |
280 | 977e1244 | Gerd Hoffmann | for(i = 0; i < 2; i++) { |
281 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = &d->bmdma[i]; |
282 | 977e1244 | Gerd Hoffmann | uint8_t ifidx; |
283 | 977e1244 | Gerd Hoffmann | qemu_put_8s(f, &bm->cmd); |
284 | 977e1244 | Gerd Hoffmann | qemu_put_8s(f, &bm->status); |
285 | 977e1244 | Gerd Hoffmann | qemu_put_be32s(f, &bm->addr); |
286 | 977e1244 | Gerd Hoffmann | qemu_put_sbe64s(f, &bm->sector_num); |
287 | 977e1244 | Gerd Hoffmann | qemu_put_be32s(f, &bm->nsector); |
288 | 977e1244 | Gerd Hoffmann | ifidx = bm->unit + 2*i;
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289 | 977e1244 | Gerd Hoffmann | qemu_put_8s(f, &ifidx); |
290 | 977e1244 | Gerd Hoffmann | /* XXX: if a transfer is pending, we do not save it yet */
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291 | 977e1244 | Gerd Hoffmann | } |
292 | 977e1244 | Gerd Hoffmann | |
293 | 977e1244 | Gerd Hoffmann | /* per IDE interface data */
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294 | 977e1244 | Gerd Hoffmann | for(i = 0; i < 2; i++) { |
295 | 977e1244 | Gerd Hoffmann | idebus_save(f, &d->bus[i]); |
296 | 977e1244 | Gerd Hoffmann | } |
297 | 977e1244 | Gerd Hoffmann | |
298 | 977e1244 | Gerd Hoffmann | /* per IDE drive data */
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299 | 977e1244 | Gerd Hoffmann | for(i = 0; i < 2; i++) { |
300 | 977e1244 | Gerd Hoffmann | ide_save(f, &d->bus[i].ifs[0]);
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301 | 977e1244 | Gerd Hoffmann | ide_save(f, &d->bus[i].ifs[1]);
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302 | 977e1244 | Gerd Hoffmann | } |
303 | 977e1244 | Gerd Hoffmann | } |
304 | 977e1244 | Gerd Hoffmann | |
305 | 977e1244 | Gerd Hoffmann | static int pci_ide_load(QEMUFile* f, void *opaque, int version_id) |
306 | 977e1244 | Gerd Hoffmann | { |
307 | 977e1244 | Gerd Hoffmann | PCIIDEState *d = opaque; |
308 | 977e1244 | Gerd Hoffmann | int ret, i;
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309 | 977e1244 | Gerd Hoffmann | |
310 | 977e1244 | Gerd Hoffmann | if (version_id != 2 && version_id != 3) |
311 | 977e1244 | Gerd Hoffmann | return -EINVAL;
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312 | 977e1244 | Gerd Hoffmann | ret = pci_device_load(&d->dev, f); |
313 | 977e1244 | Gerd Hoffmann | if (ret < 0) |
314 | 977e1244 | Gerd Hoffmann | return ret;
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315 | 977e1244 | Gerd Hoffmann | |
316 | 977e1244 | Gerd Hoffmann | for(i = 0; i < 2; i++) { |
317 | 977e1244 | Gerd Hoffmann | BMDMAState *bm = &d->bmdma[i]; |
318 | 977e1244 | Gerd Hoffmann | uint8_t ifidx; |
319 | 977e1244 | Gerd Hoffmann | qemu_get_8s(f, &bm->cmd); |
320 | 977e1244 | Gerd Hoffmann | qemu_get_8s(f, &bm->status); |
321 | 977e1244 | Gerd Hoffmann | qemu_get_be32s(f, &bm->addr); |
322 | 977e1244 | Gerd Hoffmann | qemu_get_sbe64s(f, &bm->sector_num); |
323 | 977e1244 | Gerd Hoffmann | qemu_get_be32s(f, &bm->nsector); |
324 | 977e1244 | Gerd Hoffmann | qemu_get_8s(f, &ifidx); |
325 | 977e1244 | Gerd Hoffmann | bm->unit = ifidx & 1;
|
326 | 977e1244 | Gerd Hoffmann | /* XXX: if a transfer is pending, we do not save it yet */
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327 | 977e1244 | Gerd Hoffmann | } |
328 | 977e1244 | Gerd Hoffmann | |
329 | 977e1244 | Gerd Hoffmann | /* per IDE interface data */
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330 | 977e1244 | Gerd Hoffmann | for(i = 0; i < 2; i++) { |
331 | 977e1244 | Gerd Hoffmann | idebus_load(f, &d->bus[i], version_id); |
332 | 977e1244 | Gerd Hoffmann | } |
333 | 977e1244 | Gerd Hoffmann | |
334 | 977e1244 | Gerd Hoffmann | /* per IDE drive data */
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335 | 977e1244 | Gerd Hoffmann | for(i = 0; i < 2; i++) { |
336 | 977e1244 | Gerd Hoffmann | ide_load(f, &d->bus[i].ifs[0], version_id);
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337 | 977e1244 | Gerd Hoffmann | ide_load(f, &d->bus[i].ifs[1], version_id);
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338 | 977e1244 | Gerd Hoffmann | } |
339 | 977e1244 | Gerd Hoffmann | return 0; |
340 | 977e1244 | Gerd Hoffmann | } |
341 | 977e1244 | Gerd Hoffmann | |
342 | 977e1244 | Gerd Hoffmann | /* XXX: call it also when the MRDMODE is changed from the PCI config
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343 | 977e1244 | Gerd Hoffmann | registers */
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344 | 977e1244 | Gerd Hoffmann | static void cmd646_update_irq(PCIIDEState *d) |
345 | 977e1244 | Gerd Hoffmann | { |
346 | 977e1244 | Gerd Hoffmann | int pci_level;
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347 | 977e1244 | Gerd Hoffmann | pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) && |
348 | 977e1244 | Gerd Hoffmann | !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) || |
349 | 977e1244 | Gerd Hoffmann | ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) && |
350 | 977e1244 | Gerd Hoffmann | !(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1)); |
351 | 977e1244 | Gerd Hoffmann | qemu_set_irq(d->dev.irq[0], pci_level);
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352 | 977e1244 | Gerd Hoffmann | } |
353 | 977e1244 | Gerd Hoffmann | |
354 | 977e1244 | Gerd Hoffmann | /* the PCI irq level is the logical OR of the two channels */
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355 | 977e1244 | Gerd Hoffmann | static void cmd646_set_irq(void *opaque, int channel, int level) |
356 | 977e1244 | Gerd Hoffmann | { |
357 | 977e1244 | Gerd Hoffmann | PCIIDEState *d = opaque; |
358 | 977e1244 | Gerd Hoffmann | int irq_mask;
|
359 | 977e1244 | Gerd Hoffmann | |
360 | 977e1244 | Gerd Hoffmann | irq_mask = MRDMODE_INTR_CH0 << channel; |
361 | 977e1244 | Gerd Hoffmann | if (level)
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362 | 977e1244 | Gerd Hoffmann | d->dev.config[MRDMODE] |= irq_mask; |
363 | 977e1244 | Gerd Hoffmann | else
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364 | 977e1244 | Gerd Hoffmann | d->dev.config[MRDMODE] &= ~irq_mask; |
365 | 977e1244 | Gerd Hoffmann | cmd646_update_irq(d); |
366 | 977e1244 | Gerd Hoffmann | } |
367 | 977e1244 | Gerd Hoffmann | |
368 | 977e1244 | Gerd Hoffmann | static void cmd646_reset(void *opaque) |
369 | 977e1244 | Gerd Hoffmann | { |
370 | 977e1244 | Gerd Hoffmann | PCIIDEState *d = opaque; |
371 | 977e1244 | Gerd Hoffmann | unsigned int i; |
372 | 977e1244 | Gerd Hoffmann | |
373 | 977e1244 | Gerd Hoffmann | for (i = 0; i < 2; i++) |
374 | 977e1244 | Gerd Hoffmann | ide_dma_cancel(&d->bmdma[i]); |
375 | 977e1244 | Gerd Hoffmann | } |
376 | 977e1244 | Gerd Hoffmann | |
377 | 977e1244 | Gerd Hoffmann | /* CMD646 PCI IDE controller */
|
378 | 977e1244 | Gerd Hoffmann | void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
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379 | 977e1244 | Gerd Hoffmann | int secondary_ide_enabled)
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380 | 977e1244 | Gerd Hoffmann | { |
381 | 977e1244 | Gerd Hoffmann | PCIIDEState *d; |
382 | 977e1244 | Gerd Hoffmann | uint8_t *pci_conf; |
383 | 977e1244 | Gerd Hoffmann | qemu_irq *irq; |
384 | 977e1244 | Gerd Hoffmann | |
385 | 977e1244 | Gerd Hoffmann | d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE",
|
386 | 977e1244 | Gerd Hoffmann | sizeof(PCIIDEState),
|
387 | 977e1244 | Gerd Hoffmann | -1,
|
388 | 977e1244 | Gerd Hoffmann | NULL, NULL); |
389 | 977e1244 | Gerd Hoffmann | d->type = IDE_TYPE_CMD646; |
390 | 977e1244 | Gerd Hoffmann | pci_conf = d->dev.config; |
391 | 977e1244 | Gerd Hoffmann | pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_CMD); |
392 | 977e1244 | Gerd Hoffmann | pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_CMD_646); |
393 | 977e1244 | Gerd Hoffmann | |
394 | 977e1244 | Gerd Hoffmann | pci_conf[0x08] = 0x07; // IDE controller revision |
395 | 977e1244 | Gerd Hoffmann | pci_conf[0x09] = 0x8f; |
396 | 977e1244 | Gerd Hoffmann | |
397 | 977e1244 | Gerd Hoffmann | pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); |
398 | 977e1244 | Gerd Hoffmann | pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
399 | 977e1244 | Gerd Hoffmann | |
400 | 977e1244 | Gerd Hoffmann | pci_conf[0x51] = 0x04; // enable IDE0 |
401 | 977e1244 | Gerd Hoffmann | if (secondary_ide_enabled) {
|
402 | 977e1244 | Gerd Hoffmann | /* XXX: if not enabled, really disable the seconday IDE controller */
|
403 | 977e1244 | Gerd Hoffmann | pci_conf[0x51] |= 0x08; /* enable IDE1 */ |
404 | 977e1244 | Gerd Hoffmann | } |
405 | 977e1244 | Gerd Hoffmann | |
406 | 977e1244 | Gerd Hoffmann | pci_register_bar((PCIDevice *)d, 0, 0x8, |
407 | 977e1244 | Gerd Hoffmann | PCI_ADDRESS_SPACE_IO, ide_map); |
408 | 977e1244 | Gerd Hoffmann | pci_register_bar((PCIDevice *)d, 1, 0x4, |
409 | 977e1244 | Gerd Hoffmann | PCI_ADDRESS_SPACE_IO, ide_map); |
410 | 977e1244 | Gerd Hoffmann | pci_register_bar((PCIDevice *)d, 2, 0x8, |
411 | 977e1244 | Gerd Hoffmann | PCI_ADDRESS_SPACE_IO, ide_map); |
412 | 977e1244 | Gerd Hoffmann | pci_register_bar((PCIDevice *)d, 3, 0x4, |
413 | 977e1244 | Gerd Hoffmann | PCI_ADDRESS_SPACE_IO, ide_map); |
414 | 977e1244 | Gerd Hoffmann | pci_register_bar((PCIDevice *)d, 4, 0x10, |
415 | 977e1244 | Gerd Hoffmann | PCI_ADDRESS_SPACE_IO, bmdma_map); |
416 | 977e1244 | Gerd Hoffmann | |
417 | 977e1244 | Gerd Hoffmann | pci_conf[0x3d] = 0x01; // interrupt on pin 1 |
418 | 977e1244 | Gerd Hoffmann | |
419 | 977e1244 | Gerd Hoffmann | irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
|
420 | 977e1244 | Gerd Hoffmann | ide_init2(&d->bus[0], hd_table[0], hd_table[1], irq[0]); |
421 | 977e1244 | Gerd Hoffmann | ide_init2(&d->bus[1], hd_table[2], hd_table[3], irq[1]); |
422 | 977e1244 | Gerd Hoffmann | |
423 | 977e1244 | Gerd Hoffmann | register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); |
424 | 977e1244 | Gerd Hoffmann | qemu_register_reset(cmd646_reset, d); |
425 | 977e1244 | Gerd Hoffmann | cmd646_reset(d); |
426 | 977e1244 | Gerd Hoffmann | } |
427 | 977e1244 | Gerd Hoffmann | |
428 | 977e1244 | Gerd Hoffmann | static void piix3_reset(void *opaque) |
429 | 977e1244 | Gerd Hoffmann | { |
430 | 977e1244 | Gerd Hoffmann | PCIIDEState *d = opaque; |
431 | 977e1244 | Gerd Hoffmann | uint8_t *pci_conf = d->dev.config; |
432 | 977e1244 | Gerd Hoffmann | int i;
|
433 | 977e1244 | Gerd Hoffmann | |
434 | 977e1244 | Gerd Hoffmann | for (i = 0; i < 2; i++) |
435 | 977e1244 | Gerd Hoffmann | ide_dma_cancel(&d->bmdma[i]); |
436 | 977e1244 | Gerd Hoffmann | |
437 | 977e1244 | Gerd Hoffmann | pci_conf[0x04] = 0x00; |
438 | 977e1244 | Gerd Hoffmann | pci_conf[0x05] = 0x00; |
439 | 977e1244 | Gerd Hoffmann | pci_conf[0x06] = 0x80; /* FBC */ |
440 | 977e1244 | Gerd Hoffmann | pci_conf[0x07] = 0x02; // PCI_status_devsel_medium |
441 | 977e1244 | Gerd Hoffmann | pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ |
442 | 977e1244 | Gerd Hoffmann | } |
443 | 977e1244 | Gerd Hoffmann | |
444 | 977e1244 | Gerd Hoffmann | /* hd_table must contain 4 block drivers */
|
445 | 977e1244 | Gerd Hoffmann | /* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
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446 | 977e1244 | Gerd Hoffmann | void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, |
447 | 977e1244 | Gerd Hoffmann | qemu_irq *pic) |
448 | 977e1244 | Gerd Hoffmann | { |
449 | 977e1244 | Gerd Hoffmann | PCIIDEState *d; |
450 | 977e1244 | Gerd Hoffmann | uint8_t *pci_conf; |
451 | 977e1244 | Gerd Hoffmann | int i;
|
452 | 977e1244 | Gerd Hoffmann | |
453 | 977e1244 | Gerd Hoffmann | /* register a function 1 of PIIX3 */
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454 | 977e1244 | Gerd Hoffmann | d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE",
|
455 | 977e1244 | Gerd Hoffmann | sizeof(PCIIDEState),
|
456 | 977e1244 | Gerd Hoffmann | devfn, |
457 | 977e1244 | Gerd Hoffmann | NULL, NULL); |
458 | 977e1244 | Gerd Hoffmann | d->type = IDE_TYPE_PIIX3; |
459 | 977e1244 | Gerd Hoffmann | |
460 | 977e1244 | Gerd Hoffmann | pci_conf = d->dev.config; |
461 | 977e1244 | Gerd Hoffmann | pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); |
462 | 977e1244 | Gerd Hoffmann | pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371SB_1); |
463 | 977e1244 | Gerd Hoffmann | pci_conf[0x09] = 0x80; // legacy ATA mode |
464 | 977e1244 | Gerd Hoffmann | pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); |
465 | 977e1244 | Gerd Hoffmann | pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
466 | 977e1244 | Gerd Hoffmann | |
467 | 977e1244 | Gerd Hoffmann | qemu_register_reset(piix3_reset, d); |
468 | 977e1244 | Gerd Hoffmann | piix3_reset(d); |
469 | 977e1244 | Gerd Hoffmann | |
470 | 977e1244 | Gerd Hoffmann | pci_register_bar((PCIDevice *)d, 4, 0x10, |
471 | 977e1244 | Gerd Hoffmann | PCI_ADDRESS_SPACE_IO, bmdma_map); |
472 | 977e1244 | Gerd Hoffmann | |
473 | 977e1244 | Gerd Hoffmann | ide_init2(&d->bus[0], hd_table[0], hd_table[1], isa_reserve_irq(14)); |
474 | 977e1244 | Gerd Hoffmann | ide_init2(&d->bus[1], hd_table[2], hd_table[3], isa_reserve_irq(15)); |
475 | 977e1244 | Gerd Hoffmann | ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); |
476 | 977e1244 | Gerd Hoffmann | ide_init_ioport(&d->bus[1], 0x170, 0x376); |
477 | 977e1244 | Gerd Hoffmann | |
478 | 977e1244 | Gerd Hoffmann | for (i = 0; i < 4; i++) |
479 | 977e1244 | Gerd Hoffmann | if (hd_table[i])
|
480 | 977e1244 | Gerd Hoffmann | hd_table[i]->private = &d->dev; |
481 | 977e1244 | Gerd Hoffmann | |
482 | 977e1244 | Gerd Hoffmann | register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); |
483 | 977e1244 | Gerd Hoffmann | } |
484 | 977e1244 | Gerd Hoffmann | |
485 | 977e1244 | Gerd Hoffmann | /* hd_table must contain 4 block drivers */
|
486 | 977e1244 | Gerd Hoffmann | /* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */
|
487 | 977e1244 | Gerd Hoffmann | void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn, |
488 | 977e1244 | Gerd Hoffmann | qemu_irq *pic) |
489 | 977e1244 | Gerd Hoffmann | { |
490 | 977e1244 | Gerd Hoffmann | PCIIDEState *d; |
491 | 977e1244 | Gerd Hoffmann | uint8_t *pci_conf; |
492 | 977e1244 | Gerd Hoffmann | |
493 | 977e1244 | Gerd Hoffmann | /* register a function 1 of PIIX4 */
|
494 | 977e1244 | Gerd Hoffmann | d = (PCIIDEState *)pci_register_device(bus, "PIIX4 IDE",
|
495 | 977e1244 | Gerd Hoffmann | sizeof(PCIIDEState),
|
496 | 977e1244 | Gerd Hoffmann | devfn, |
497 | 977e1244 | Gerd Hoffmann | NULL, NULL); |
498 | 977e1244 | Gerd Hoffmann | d->type = IDE_TYPE_PIIX4; |
499 | 977e1244 | Gerd Hoffmann | |
500 | 977e1244 | Gerd Hoffmann | pci_conf = d->dev.config; |
501 | 977e1244 | Gerd Hoffmann | pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL); |
502 | 977e1244 | Gerd Hoffmann | pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB); |
503 | 977e1244 | Gerd Hoffmann | pci_conf[0x09] = 0x80; // legacy ATA mode |
504 | 977e1244 | Gerd Hoffmann | pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); |
505 | 977e1244 | Gerd Hoffmann | pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
|
506 | 977e1244 | Gerd Hoffmann | |
507 | 977e1244 | Gerd Hoffmann | qemu_register_reset(piix3_reset, d); |
508 | 977e1244 | Gerd Hoffmann | piix3_reset(d); |
509 | 977e1244 | Gerd Hoffmann | |
510 | 977e1244 | Gerd Hoffmann | pci_register_bar((PCIDevice *)d, 4, 0x10, |
511 | 977e1244 | Gerd Hoffmann | PCI_ADDRESS_SPACE_IO, bmdma_map); |
512 | 977e1244 | Gerd Hoffmann | |
513 | 977e1244 | Gerd Hoffmann | /*
|
514 | 977e1244 | Gerd Hoffmann | * These should call isa_reserve_irq() instead when MIPS supports it
|
515 | 977e1244 | Gerd Hoffmann | */
|
516 | 977e1244 | Gerd Hoffmann | ide_init2(&d->bus[0], hd_table[0], hd_table[1], pic[14]); |
517 | 977e1244 | Gerd Hoffmann | ide_init2(&d->bus[1], hd_table[2], hd_table[3], pic[15]); |
518 | 977e1244 | Gerd Hoffmann | ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); |
519 | 977e1244 | Gerd Hoffmann | ide_init_ioport(&d->bus[1], 0x170, 0x376); |
520 | 977e1244 | Gerd Hoffmann | |
521 | 977e1244 | Gerd Hoffmann | register_savevm("ide", 0, 3, pci_ide_save, pci_ide_load, d); |
522 | 977e1244 | Gerd Hoffmann | } |